D671J-6C DN50,氣動(dòng)對(duì)夾式蝶閥D671J-6C DN50,氣動(dòng)對(duì)夾式蝶閥D671J-6C DN50,氣動(dòng)對(duì)夾式蝶閥

D671J-6Z DN50,D671J-6Z DN65,D671J-6Z DN80,D671J-6Z DN100,氣動(dòng)對(duì)夾式蝶閥
D671J-6Z DN125,D671J-6Z DN150,D671J-6Z DN200,D671J-6Z DN250,氣動(dòng)對(duì)夾式蝶閥
D671J-6Z DN300,D671J-6Z DN350,D671J-6Z DN400,D671J-6Z DN450,氣動(dòng)對(duì)夾式蝶閥
D671J-6Z DN500,D671J-6Z DN600,D671J-6Z DN700,D671J-6Z DN800,氣動(dòng)對(duì)夾式蝶閥

D671X-6C DN50,D671X-6C DN65,D671X-6C DN80,D671X-6C DN100,氣動(dòng)對(duì)夾式蝶閥
D671X-6C DN125,D671X-6C DN150,D671X-6C DN200,D671X-6C DN250,氣動(dòng)對(duì)夾式蝶閥
D671X-6C DN300,D671X-6C DN350,D671X-6C DN400,D671X-6C DN450,氣動(dòng)對(duì)夾式蝶閥
D671X-6C DN500,D671X-6C DN600,D671X-6C DN700,D671X-6C DN800,氣動(dòng)對(duì)夾式蝶閥
D671X-6P DN50,D671X-6P DN65,D671X-6P DN80,D671X-6P DN100,氣動(dòng)對(duì)夾式蝶閥
D671X-6P DN125,D671X-6P DN150,D671X-6P DN200,D671X-6P DN250,氣動(dòng)對(duì)夾式蝶閥
D671X-6P DN300,D671X-6P DN350,D671X-6P DN400,D671X-6P DN450,氣動(dòng)對(duì)夾式蝶閥
D671X-6P DN500,D671X-6P DN600,D671X-6P DN700,D671X-6P DN800,氣動(dòng)對(duì)夾式蝶閥
D671X-6R DN50,D671X-6R DN65,D671X-6R DN80,D671X-6R DN100,氣動(dòng)對(duì)夾式蝶閥
D671X-6R DN125,D671X-6R DN150,D671X-6R DN200,D671X-6R DN250,氣動(dòng)對(duì)夾式蝶閥
D671X-6R DN300,D671X-6R DN350,D671X-6R DN400,D671X-6R DN450,氣動(dòng)對(duì)夾式蝶閥